Acer Service Manual
2
Table of Contents
CHAPTER 1- PRECAUTIONS & SAFETY NOTICES ..................................................................................................................... 3
1. SAFETY PRECAUTIONS ............................................................................................................................................................ 3
2. PRODUCT SAFETY NOTICE...................................................................................................................................................... 3
3. SERVICE NOTES.......................................................................................................................................................................... 3
CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED ..................................................................................................... 4
CHAPTER 3- CIRCUIT THEORY ...................................................................................................................................................... 5
2. INTERFACE BOARD DIAGRAM ................................................................................................................................................... 5
3. ELECTRONIC CIRCUIT THEORY.......................................................................................................................................................... 6
CHAPTER 4- DISASSEMBLY & ASSEMBLY .............................................................................................. 錯誤! 尚未定義書籤。
1. EXPLODED DIAGRAM ....................................................................................................................................錯誤! 尚未定義書籤。
2. DISASSEMBLY BLOCK ...................................................................................................................................錯誤! 尚未定義書籤。
3. ASSEMBLY BLOCK.........................................................................................................................................錯誤! 尚未定義書籤。
CHAPTER 5- TEST AND ADJUSTMENT ........................................................................................................................................ 13
1. GENERAL POINTS ............................................................................................................................................................... 13
1.1 TEST EQUIPMENT OR TOOL................................................................................................................................................ 13
1.2 PRESET TEST PATTERN ....................................................................................................................................................... 13
1.3 AC INPUT............................................................................................................................................................................. 13
1.4 OBSERVATION DISTANCE .................................................................................................................................................... 13
1.5 KEY FUNCTION DESCRIPTION ............................................................................................................................................ 13
1.6 BURN-IN (AGING) PATTERN ................................................................................................................................................ 14
1.7 WARM UP ............................................................................................................................................................................ 14
2. INPUT SIGNAL...................................................................................................................................................................... 14
2.1 VIDEO SIGNAL INPUT .......................................................................................................................................................... 14
3. FUNCTION CHECK ............................................................................................................................................................. 15
3.1 OSD FUNCTION TEST ......................................................................................................................................................... 15
3.2 SCREEN PICTURE CHECK ................................................................................................................................................... 15
3.3 AUTO COLOR BALANCE...................................................................................................................................................... 15
3.4 TIMING CHECK ................................................................................................................................................................... 15
3.5 POWER CONSUMPTION FUNCTION TEST............................................................................................................................ 15
3.6 VGA CABLE DETECT TEST................................................................................................................................................. 16
3.7 HI-POT TEST........................................................................................................................................................................ 16
3.8 GROUNDING TEST ............................................................................................................................................................... 16
3.9 BUMPING TEST .................................................................................................................................................................... 16
4. DISPLAY CHECK.................................................................................................................................................................. 16
4.1 PANEL FLICKER CHECK...................................................................................................................................................... 16
4.2 PANEL DEFECT INSPECTION ............................................................................................................................................... 16
5. PICTURE CHECK................................................................................................................................................................. 17
5.1 CHECK BRIGHTNESS UNIFORMITY...................................................................................................................................... 17
5.2 COLOR TEMPERATURE CHECK .......................................................................................................................................... 18
5.3 BRIGHTNESS OUT (VIDEO SIGNAL INPUT 700MV ± 2%).................................................................................................... 18
5.4 DDC DATA CHECK .............................................................................................................................................................. 18
6. AUDIO CHECK .......................................................................................................................................................................... 19
6.1 AUDIO SOUND CHECK......................................................................................................................................................... 19
6.2 AUDIO CONTROL TEST......................................................................................................................................................... 19
CHAPTER 6- TROUBLE SHOOTING.............................................................................................................................................. 20
ATTACHMENT 1- BILL OF MATERIAL......................................................................................................................................... 26
ATTACHMENT 2- SCHEMATIC....................................................................................................................................................... 31
ATTACHMENT 3- PCB LAYOUT ..................................................................................................................................................... 40
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